/Engine/Plugins/Runtime/GameplayAbilities/Source/GameplayAbilities/Public/GameplayEffectComponents/AdditionalEffectsGameplayEffectComponent.h
Called when a Gameplay Effect is executed. GE's can only Execute on ROLE_Authority. GE's only Execute when they're instant (otherwise they're added to the ActiveGameplayEffectsContainer).
virtual void OnGameplayEffectExecuted ( [FActiveGameplayEffectsContainer](API\Plugins\GameplayAbilities\FActiveGameplayEffectsContainer) & ActiveGEContainer, [FGameplayEffectSpec](API\Plugins\GameplayAbilities\FGameplayEffectSpec) & GESpec, [FPredictionKey](API\Plugins\GameplayAbilities\FPredictionKey) & PredictionKey ) const